Chapter 4. Orthographic Views
• Learn about orthographic views
• Learn ANSI standards and conventions
• Learn how to draw section and auxiliary views
Orthographic views are two-dimensional views used to define a three-dimensional model. More than one orthographic view is needed to define a model unless the model is of uniform thickness. Standard practice calls for three orthographic views, a front, top, and side view, although more or fewer views may be used as needed.
There are two sets of standards used to define the projection and placement of orthographic views: the American National Standards Institute (ANSI) and the International Organization for Standardization (ISO). The ANSI calls for orthographic ...